Using the equation y=ax^2+bc+c to represent a parabola on a graph, which statement is true

(1) if b is negative, the parabola opens downward.

(2) if a is negative, the parabola opens upward.

(3) if a is positive, the parabola opens upward.

(4) if c is negative, the parabola opens downward

Question

18 August, 06:41

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Jonas Fry · Answer 1

I think it's 3 because I used to think it was the opposite

Using the equation y=ax^2+bc+c to represent a parabola on a graph, which statement is true(1) if b is negative, the parabola opens downward.(2) if a is negative, the parabola opens upward.(3) if a is positive, the parabola opens upward.(4) if c is negative, the parabola opens downward